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SPC-15 DC Surge Protector 2Pole 600V DC SPD 15kA~30kA Surge Arrester

SPC Series Class C Surge Protective Device (SPD)

This surge protective device is suitable for AC 50/60Hz, up to 1000V~, and lower voltage systems including TN-S, TN-C-S, TT, IT, as well as PV DC systems up to 1500VDC. It provides equipotential bonding at the boundaries of LPZ1, LPZ2, and LPZ3 zones.

Designed in compliance with EN 50539-11, IEC 61643-31, and GB 18802.31, the SPC Series features a housing suitable for mounting on 35mm electrical rails. Each unit includes an integrated failure disconnection mechanism. In the event of overload, overheating, or breakdown, the device automatically disconnects from the power supply.

A visual status indicator shows green (normal) or red (fault), and the modular design allows for safe replacement under live voltage conditions.

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Key Features

  • Built-in overcurrent and overheating protection with thermally controlled circuit breaking technology.
  • Modular design for easy installation and live replacement.
  • Low leakage current, fast response time, and reduced residual voltage.
  • Visual alarm indicator: Green (Normal) / Red (Fault).
  • Advanced high-energy spark gap discharge electrode technology (N-PE).

Applications

  • Solar PV Combiner Boxes: Provide string‑level surge protection with PV DC surge protectors designed for solar arrays. Ideal for combiner box integration to safeguard against lightning and overvoltage transients.
  • Battery Energy Storage Systems: DC surge protective devices (SPDs) for battery inverters and UPS systems, ensuring reliable operation and extended lifespan in energy storage applications.
  • Telecom & Data Centers: Protect 48 V and 240 V DC power systems from voltage surges and transient spikes. Essential for maintaining uptime in communication infrastructure and server environments.
  • Industrial Control Panels: DC surge protection for PLCs, sensors, and automation equipment. Mitigates damage caused by switching surges and electromagnetic interference in industrial settings.
  • Security & CCTV Systems: Ensure continuous DC power supply for surveillance cameras and access control systems. DC SPDs prevent downtime and equipment failure in critical security applications.
Type SPC-15 SPC-20
SPC5-15 SPC5-20
Maximum Continuous Operating Voltage: Uc (VDC) 500 600 1000 1200 500 600 1000 1200
Voltage Protection Level: Up (kV) 2P 1.7 1.9 3.4 3.6 1.7 1.9 3.4 3.6
3P 2.1 2.3 3.8 4.8 2.1 2.3 3.8 4.8
Nominal Discharge Current: In (8/20µs) kA 15 20
Maximum Discharge Current: Imax (8/20µs) kA 30 40
Response Time (ns) <25 <25
Test Standard GB/T 18802.31, IEC 61643-31 GB/T 18802.31, IEC 61643-31
Fuse or Switch (A) 32 32
Cross Section of Line (mm²) 16 16
Cross Section of PE Line (mm²) 25 25
Cross Section of Communication & Alarm Line (mm²) ≥1.5 ≥1.5
Operating Environment (℃) -40℃ to +85℃ -40℃ to +85℃
Relative Humidity (at 25℃) ≤95% ≤95%
Installation Standard 35mm Rail Standard 35mm Rail
Housing Material Reinforced Flame Retardant PA66 Reinforced Flame Retardant PA66

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